AAS 201st Meeting, January, 2003
Session 101. Cosmology and Gravitation
Oral, Wednesday, January 8, 2003, 10:00-11:30am, 612

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[101.04D] Searching for Stongly-Lensed Quasars in the Sloan Digital Sky Survey

B. Pindor (Princeton University)

The Sloan Digital Sky Survey offers an opportunity to substantially increase the known sample of gravitationally-lensed quasars. I will talk about an algorithm for selecting gravitational lens candidates from amongst SDSS quasars which allows for the recovery of equal flux point source pairs down to separations of ~ 0\farcs7 in typical SDSS Early Data Release observing conditions. I will also talk about a method for determining the selection function of this algorithm through the use of simulated SDSS images. Finally, I will describe how applying this algorithm to a sample of 5120 z > 0.6 SDSS quasars implies an observed lensing fraction of not more than 4 \times 10-3 and not less than 3 \times 10-5 (95% confindence levels).

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Bulletin of the American Astronomical Society, 34, #4
© 2002. The American Astronomical Soceity.